debian man page for vm_page_io_finish

Query: vm_page_io_finish

OS: debian

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

VM_PAGE_IO_START(9)					   BSD Kernel Developer's Manual				       VM_PAGE_IO_START(9)

NAME
vm_page_io_start, vm_page_io_finish -- ready or unready a page for I/O
SYNOPSIS
#include <sys/param.h> #include <vm/vm.h> #include <vm/vm_page.h> void vm_page_io_start(vm_page_t m); void vm_page_io_finish(vm_page_t m);
DESCRIPTION
The vm_page_io_start() function prepares the page for I/O by incrementing its busy flag by one. The vm_page_io_finish() function lowers the busy count on the page by one, if the resulting busy count is zero, a wakeup(9) will be issued if the page has been marked VPO_WANTED. A page is typically marked VPO_WANTED by a thread to register its interest in the page to either com- plete I/O or becoming available for general use.
AUTHORS
This manual page was written by Chad David <davidc@acns.ab.ca> and Alfred Perlstein <alfred@FreeBSD.org>.
BSD
July 17, 2001 BSD
Related Man Pages
vm_page_free(9) - freebsd
vm_page_try_to_free(9) - debian
vm_page_free(9) - linux
vm_page_free(9) - hpux
vm_page_free(9) - osx
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